condition mean min max 4 h after light 318.1917795 303.417045 332.966514 8 h after light 233.19932699999998 192.135708 274.262946 12 h after light 186.16497900000002 186.155134 186.174824 4 h after dark 248.64194050000003 173.359517 323.924364 8 h after dark 302.102852 276.165955 328.039749 12 h after dark 281.387344 281.387344 281.387344